C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
148/1.4
C30B 11/00 (2006.01) H05B 6/24 (2006.01)
Patent
CA 1231628
Abstract: Cold crucible for melting and crystallizing non-metallic inorganic compounds. A cold crucible for performing the skull-melting method having a cooled crucible wall in the form of metal pipes through which cooling medium flows which are in mechanical connection with the bottom of the crucible through which cooling medium also flows, and having an induction coil which surrounds the wall of the crucible and via which high frequency energy can be coupled in the contents of the crucible and having a second induction coil which can be switched independently of the induction coil surrounding the wall of the crucible is provided below the bottom of the crucible, and having a crucible bottom consisting of a dielectric material.
453392
Laurien Rolf
Liehr Manfred R.
Mateika Werner D.
N.v.philips'gloeilampenfabrieken
Van Steinburg C.e.
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